/// <summary>
/// build a maze2d that we can solve - break walls to get to the goal position
/// </summary>
/// <param name="maze"></param>
/// <returns>maze2d</returns>
///
////IMaze maze in function
public void generateMaze2d(Maze2d maze2d)
{
int randomWallLocation;
Position currentWall;
Position pMaze;
Position startPosition = new Position(0, 0, 0);
positionsInMaze = new ArrayList();
ArrayList neighborWallsList = new ArrayList();
maze2d.setGoalPosition();
Position goalPosition = maze2d.getGoalPosition();
neighborWallsList.AddRange(maze2d.getOptionsToMove(goalPosition)); // add all the neighbors to neighborsWallList
positionsInMaze.Add(goalPosition); // add the goalPosition to List
while (neighborWallsList.Count != 0) // while there is positions in neighborsWallsPOsitions
{
randomWallLocation = ran.Next(0, neighborWallsList.Count - 1); // random and get 1 of the walls in the List
currentWall = ((Position)neighborWallsList[randomWallLocation]);
pMaze = getUnvisitedWallNeighborCell(currentWall); // get all the UnvisitedNeighbors of the current wall
if (pMaze != null)
{
startPosition.setPosition(pMaze); // cheange the Position
maze2d.setMazeWallsCell(currentWall.X, currentWall.Y); // change the cell to 0 - we visited it
if (!isPositionExist(pMaze, positionsInMaze))
{
positionsInMaze.Add(pMaze); // add it to positionInMAze - all the position we have visited
}
neighborWallsList.AddRange(filterExistNeighbors(neighborWallsList, maze2d.getOptionsToMove(pMaze)));
}
neighborWallsList.RemoveAt(randomWallLocation); // remove the current wall from the neighborWallsList
}
maze2d.setStartPosition(startPosition); // change the startPosition
}
/// <summary>
/// build the maze 2d in a simple way,
/// always start from the left side and have options to move (up,down,right), the goalPosition is in the right side
/// </summary>
/// <param name="x">dim X of the maze2d</param>
/// <param name="y">dim Y of the maze2d</param>
/// <param name="z">dim Z of the maze2d</param>
/// <returns>a generated 2dMaze</returns>
public override Maze generate(int x, int y, int z)
{
Position currentWall;
Position startPosition = new Position(0, 0, 0);
Maze2d maze2d = new Maze2d(x, y, z);
maze2d.setGoalPosition();
Position goalPosition = maze2d.getGoalPosition();
startPosition.setPosition(goalPosition);
while (startPosition.Y != maze2d.MY * 2 - 2)
{
currentWall = ((Position)MoveTONextPosition(startPosition, maze2d)); //get the wall to break
currentWall.setFatherPosition(startPosition);
maze2d.setMazeWallsCell(currentWall.X, currentWall.Y); //break the wall
startPosition.setPosition(MoveToNextCell(startPosition, currentWall)); //get the prev position and the wall and move to the next cell
}
maze2d.setStartPosition(startPosition);
breakMoreWalls(maze2d);
return(maze2d);
}
/// <summary>
/// randomic function that break more walls
/// </summary>
/// <param name="maze2d">maze2d of walls</param>
public void breakMoreWalls(Maze2d maze2d)
{
int numOfWallsToBreak;
int dim_x_size = maze2d.MX;
int dim_y_size = maze2d.MY;
int size_all = dim_x_size * dim_y_size;
numOfWallsToBreak = Convert.ToInt32(0.4 * size_all); // get How many walls to Break
int x;
int y;
Random ran = new Random();
while (numOfWallsToBreak != 0)
{
x = ran.Next(0, dim_x_size * 2 - 1);
y = ran.Next(0, dim_y_size * 2 - 1);
if (maze2d.getWallsCell(x, y) == 1)
{
maze2d.setMazeWallsCell(x, y); // break the walls
numOfWallsToBreak--; // size--
}
}
}